5669809 has 4 divisors (see below), whose sum is σ = 5968240. Its totient is φ = 5371380.

The previous prime is 5669803. The next prime is 5669821. The reversal of 5669809 is 9089665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5669809 - 2³ = 5669801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5669801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149187 + ... + 149224.

It is an arithmetic number, because the mean of its divisors is an integer number (1492060).

Almost surely, 2^5669809 is an apocalyptic number.

It is an amenable number.

5669809 is a deficient number, since it is larger than the sum of its proper divisors (298431).

5669809 is a wasteful number, since it uses less digits than its factorization.

5669809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298430.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 5669809 is about 2381.1360733902. The cubic root of 5669809 is about 178.3156562869.

The spelling of 5669809 in words is "five million, six hundred sixty-nine thousand, eight hundred nine".